Portion of a vacuum cleaner



FIG. 1 is a plan view of a portion of a a vacuum cleaner showing the newdesign.

FIG. 2 is a perspective view of the portion of a vacuum cleaner of FIG.1; and,

FIG. 3 is an edge-on view of the portion of a vacuum cleaner of FIG. 1,taken across a cross-section at line 3-3.

The dot-dashed lines form the boundary of the claim and form no partthereof. The dotted lines in the drawing represent environmental subjectmatter that forms no part of the claimed design.

The ornamental design for a portion of a vacuum cleaner, as shown anddescribed.